// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_IME_MOCK_INPUT_METHOD_H_
#define UI_BASE_IME_MOCK_INPUT_METHOD_H_

#include <string>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/observer_list.h"
#include "ui/base/ime/input_method.h"
#include "ui/base/ime/input_method_observer.h"
#include "ui/base/ime/ui_base_ime_export.h"

namespace ui {

class KeyEvent;
class TextInputClient;

// A mock ui::InputMethod implementation for testing. You can get the instance
// of this class as the global input method with calling
// SetUpInputMethodFactoryForTesting() which is declared in
// ui/base/ime/input_method_factory.h
class UI_BASE_IME_EXPORT MockInputMethod
    : NON_EXPORTED_BASE(public InputMethod) {
public:
    explicit MockInputMethod(internal::InputMethodDelegate* delegate);
    ~MockInputMethod() override;

    // Overriden from InputMethod.
    void SetDelegate(internal::InputMethodDelegate* delegate) override;
    void OnFocus() override;
    void OnBlur() override;
    bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
        NativeEventResult* result) override;
    void SetFocusedTextInputClient(TextInputClient* client) override;
    void DetachTextInputClient(TextInputClient* client) override;
    TextInputClient* GetTextInputClient() const override;
    void DispatchKeyEvent(ui::KeyEvent* event) override;
    void OnTextInputTypeChanged(const TextInputClient* client) override;
    void OnCaretBoundsChanged(const TextInputClient* client) override;
    void CancelComposition(const TextInputClient* client) override;
    void OnInputLocaleChanged() override;
    std::string GetInputLocale() override;
    TextInputType GetTextInputType() const override;
    TextInputMode GetTextInputMode() const override;
    int GetTextInputFlags() const override;
    bool CanComposeInline() const override;
    bool IsCandidatePopupOpen() const override;
    void ShowImeIfNeeded() override;
    void AddObserver(InputMethodObserver* observer) override;
    void RemoveObserver(InputMethodObserver* observer) override;

private:
    TextInputClient* text_input_client_;
    base::ObserverList<InputMethodObserver> observer_list_;
    internal::InputMethodDelegate* delegate_;

    DISALLOW_COPY_AND_ASSIGN(MockInputMethod);
};

} // namespace ui

#endif // UI_BASE_IME_MOCK_INPUT_METHOD_H_
